[机] 液体动力润滑；[机] 液动润滑
Secondly, basing on hydrodynamic lubrication theory, dynamic characteristics of journal bearing and thrust bearing are analyzed.
第二，以流体动力润滑理论为基础，对径向滑动轴承和推力轴承的动态特性进行分析。
Hydrodynamic lubrication characteristics of a journal bearing considering misalignment caused by shaft deformation are analyzed in shaft-bearing friction pair system.
分析讨论了轴轴承摩擦副系统中，当轴受载变形导致轴颈倾斜时，径向滑动轴承的流体动力润滑特性。
The hydrodynamic lubrication performance of rectangle, inclined plane, circular-arc, ********, multi-arc and sine surface texture was researched with CFD method based on N-S equation.
采用基于N-S方程的CFD方法，研究矩形、斜面台阶形、圆弧形、三角形、多圆弧形以及正弦形织构表面的动压润滑性能。
The hydrodynamic lubrication characteristics be- tween the wafer and pad are shown to illustrate that circular-translational-grinding facilitates increasing material removal rate.
试件与研磨盘间的流体润滑特性表明，圆平动平面研磨有利于提高表面质量和材料去除率。
In this paper, the Viscous Boundary Element Method (VBEM) was used to treat problems in theory of hydrodynamic lubrication, occurrence of vortex, and biomechanics.
本文叙述了粘性流动边界元方法，并研究了动力润滑、涡旋发生以及生物力学等问题。
The program for calculating the thermo-hydrodynamic lubrication performances of thrust bearing with water lubricated stationary pad has been developed by the finite element methods in this paper.
本文根据固定瓦推力轴承的特点和热流体动压润滑理论，开发了一套水润滑固定瓦推力轴承热动力润滑计算的有限元程序。
The oil film thickness between surfaces of tip relieved involute spur gears is analyzed with hydrodynamic lubrication theory.
本文用流体动力润滑理论分析了渐开线圆柱直齿修缘齿轮齿面间的油膜厚度。
On the base of hydrodynamic lubrication theory, the performances of journal bearings in turbogenerators were theoretically stu***d by considering the thermal and turbulent effect.
对汽轮发电机径向滑动轴承进行了计算，分析了轴承静动特性和稳定性参数，并验证了计算结果的可靠性。
Hydrodynamic lubrication characteristics of a journal bearing considering misalignment caused by shaft deformation were analyzed under static conditions.
研究了采用弹性金属塑料轴瓦时径向滑动轴承的瞬态润滑特性。
Input pressure effects on the static and dynamic characteristics of hydrodynamic lubrication radial sliding bearing were investigated theoretically.
研究了供油压力对液体动压径向滑动轴承动静特性的影响。
A new dynamic analysis method for high-speed roller bearings is put forward by coupling dynamic theory of high-speed roller bearing with Partial Elasto-Hydrodynamic Lubrication (PEHL) theory.
耦合高速滚动轴承动力学理论和部分弹性流体动力润滑（PEHL）理论，提出了考虑轴承元件表面粗糙效应的高速滚动轴承动态特性分析方法。
The calculation of elastic hydrodynamic lubrication on the involute straight bevel geartransmission is analysed systematically by using the theory of elastic hydrodynamic lubrication.
用弹性流体动压润滑理论分析了渐开线直齿圆锥齿轮传动的弹流计算，推导出相应的计算公式并给出了形成弹流润滑的条件。
By means of the basic equation of hydrodynamic lubrication, the speed distribution and the pressure distribution of resin in twin-screw continuous mixer are determined.
运用流体动压润滑的基本方程揭示了双螺杆连续混炼机中树脂的速度分布和压力分布规律；
The thermo-elastic-hydrodynamic lubrication performance of three gorges thrust bearing (right) with pins and double layer system have bean analyzed by the finite element methods.
对三峡右岸小支柱簇双层瓦推力轴承进行了热弹性流体动力润滑性能有限元分析。
It is rather complicated to obtain the numerical solution of the Reynolds equation for the design of the journal bearing with hydrodynamic lubrication.
在流体动压轴承（液体摩擦状态）的设计过程中，为求取雷诺方程的数值解，计算相当复杂。
Mechanical Seal; Laser surface texture; Hydrodynamic lubrication; Seal performance; Numerical simulation.
机械密封；激光端面造型；动压润滑；密封性能；数值模拟。
The mechanism of hydrodynamic lubrication during the process of cold extrusion was analyzed by means of the theory of tribology and metal forming.
应用摩擦学和金属塑性成形理论，对冷挤压工艺中的流体动力润滑机理进行了分析。
The locomotion speed and hydrodynamic fluid film thickness formed when it moves in micro tubes full of fluids are calculated according to the hydrodynamic lubrication theory.
详细分析计算和试验研究了此种微型机器人在具有不同半径、不同粘度液体的管道内运行时的速度和形成的液体动压润滑膜厚度。
Stable hydrodynamic lubrication film is needed between the tooth profiles for smooth running and long life of a single-screw compressor.
采用“直线包络螺杆副”作单螺杆压缩机啮合副型线可以获得稳定的流体动力润滑，但此种啮合副加工困难。
A testing machine is developed to observe dynamically the formation of dynamic film and chemical film in the process of hydrodynamic lubrication.
流体润滑动态观测试验机适用于流体润滑中动力油膜、化学油膜形成的动态观测。
The classical hydrodynamic lubrication theory cannot predict lubrication failure existing in the engineering used thrust bearings is pointed out that.
指出了经典润滑理论无法预测实际止推轴承所存在的润滑失效现象。
The result shows that suitable textured surfaces can produce hydrodynamic lubrication;
结果表明：合适的微造型可以产生动压效果；
Hydrodynamic pressure equations of grinding fluid used in surface grinding were established based on Reynolds equations of hydrodynamic pressure lubrication theory.
为了充分考虑平面磨削优化过程中的不确定性问题，采用正交试验设计方法进行磨削试验研究。
The results show that surface texturing can efficiently be used to maintain hydrodynamic effects and improve the lubrication performance, even with nominally parallel surfaces.
仿真结果表明，在假设为平面的两个配合表面之间，表面微造型也能有效地产生流体动压效应，提高润滑性能。
A suit of modular gas hydrodynamic guides package was developed by technique of air lubrication.
运用气体润滑技术设计出了一套空气静压导轨组件。
流体动力润滑（hydrodynamic lubrication）是机械工程领域中一种重要的润滑机制，指两个相对运动的表面通过黏性流体（如润滑油）形成的压力膜完全分离，从而避免固体直接接触的摩擦状态。其核心原理是运动表面的几何形状、相对速度和流体黏性共同作用，使流体被带入接触区域并产生动态压力，支撑外部载荷。
黏性剪切效应：润滑油的黏度（如ISO VG 32矿物油）在高速剪切下产生压力梯度，形成承载油膜。根据雷诺方程（Reynolds equation）： $$ frac{partial}{partial x}left(h frac{partial p}{partial x}right) + frac{partial}{partial z}left(h frac{partial p}{partial z}right) = 6mu U frac{partial h}{partial x} $$ 其中$h$为油膜厚度，$mu$为流体黏度，$U$为表面速度。
楔形效应：轴承等部件的收敛间隙结构（如滑动轴承的轴颈偏心）促使流体压力上升，典型应用在汽轮机轴承中可实现0.01-0.1 mm油膜厚度。
该机制能实现摩擦系数低至0.001-0.01，比边界润滑低2个数量级，但需要持续运动维持油膜。低速或启停阶段可能发生混合润滑，导致磨损风险（来源：《机械设计基础》第7版）。
Hydrodynamic lubrication（流体动力润滑）是机械工程中利用流体动压效应形成润滑膜，使摩擦表面完全分离的润滑方式。以下是详细解释：
当两个相对运动的表面之间存在黏性流体（如润滑油）时，由于表面运动产生的动压效应，流体被带入接触区域形成高压油膜，从而将摩擦表面隔开。这种润滑状态常见于滑动轴承、齿轮等高速旋转部件中。
总结来看，流体动力润滑是实现高效低耗机械运行的核心技术之一，尤其在高速、低载荷工况下效果显著。如需进一步了解具体案例或公式推导，可参考工程润滑理论教材或专业文献。
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